CN116607630A - Prevent steel construction that rocks - Google Patents
Prevent steel construction that rocks Download PDFInfo
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- CN116607630A CN116607630A CN202310553274.2A CN202310553274A CN116607630A CN 116607630 A CN116607630 A CN 116607630A CN 202310553274 A CN202310553274 A CN 202310553274A CN 116607630 A CN116607630 A CN 116607630A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 52
- 239000010959 steel Substances 0.000 title claims abstract description 52
- 238000010276 construction Methods 0.000 title claims description 11
- 239000011435 rock Substances 0.000 title claims description 3
- 238000005265 energy consumption Methods 0.000 claims abstract description 122
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 93
- 230000000712 assembly Effects 0.000 claims abstract description 22
- 238000000429 assembly Methods 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims description 96
- 239000003351 stiffener Substances 0.000 claims description 18
- 230000002265 prevention Effects 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 230000035939 shock Effects 0.000 description 16
- 238000010008 shearing Methods 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 6
- 238000013016 damping Methods 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003446 memory effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The application relates to a steel structure for preventing shaking, which comprises an energy consumption assembly and two connecting assemblies connected with two ends of the energy consumption assembly, wherein the energy consumption assembly is made of low yield point steel and comprises two connecting webs and an energy consumption web, and the two connecting webs are respectively connected with one connecting assembly; the two end faces of the energy dissipation web plates are respectively welded with one connecting web plate, the energy dissipation web plates are in curved surface shapes along the extending direction of the connecting web plates, and the energy dissipation web plates are used for bearing deformation energy dissipation caused by shaking of the two connecting web plates. The energy-consuming web plate can fully exert the deformation energy consumption function borne by the energy-consuming web plate under the earthquake, can better bear more deformation energy consumption under the earthquake effect, especially can better bear the vibration brought by the connecting components at the upper end and the lower end, and effectively utilizes the curved surface shape of the energy-consuming web plate to coordinate the whole stress deformation, so that the steel structure is prevented from shaking caused by the earthquake, and the beam and the column at the key parts are better protected from being damaged by the energy-consuming web plate.
Description
Technical Field
The application relates to the technical field of earthquake resistance of constructional structure engineering, in particular to a steel structure for preventing shaking.
Background
The concrete building is one of the common building forms in China, in particular to an assembled reinforced concrete building which is the most important form of building industrialization, and has the advantages of high construction speed, short engineering construction period, high production efficiency, energy conservation, consumption reduction, clean production and the like. So that the assembled reinforced concrete construction is rapidly developed. But has poor integrity and stability, and limited use in high intensity seismic areas.
At present, a plurality of energy dissipation and shock absorption technologies applied to the reinforced concrete frame structure through the assembled steel structure can effectively increase the structural damping, reduce the displacement between structural layers and improve the integrity and the shock resistance of the assembled concrete frame structure. However, the assembled steel structure mostly adopts a traditional energy dissipation and shock absorption structure, and the connection structure is complex.
Chinese patent No. CN110700435B discloses an assembled energy dissipation and shock absorption device and an assembling method thereof, comprising an energy consumption assembly, two connecting assemblies for fixing the energy consumption assembly up and down; the energy-consumption assembly comprises an energy-consumption web plate and energy-consumption stiffening ribs, the energy-consumption stiffening ribs are welded on two plate surfaces of the energy-consumption web plate, and the energy-consumption web plate and the energy-consumption stiffening ribs are made of low-yield-point steel; each of the connection assemblies is used for preventing the upper and lower end portions of the energy consumption assembly from shaking and fixing the damper portion on an external structure. The energy-dissipation stiffening rib comprises a horizontal rib plate and a vertical rib plate, the horizontal rib plate comprises a plurality of horizontal rib plates, two ends of the horizontal rib plate are respectively welded on the inner side faces of the flange plates on two sides correspondingly, and the vertical rib plate is welded between the two connected horizontal rib plates. The vertical rib plate is in a vertical shape or a curve shape, and because the energy dissipation web plate is in a flat plate shape, the vertical rib plate is welded between two connected horizontal rib plates, the flat plate-shaped energy dissipation web plate is welded or contacted with the vertical rib plate, and the flat plate-shaped energy dissipation web plate can transmit shock sense to the vertical rib plate more, especially the curve-shaped vertical rib plate, under an earthquake, so that the vertical rib plate has good energy dissipation and shock absorption effects. However, when the earthquake is transmitted to the damping device, the damping device bears more vibration caused by the connecting assemblies at the upper end and the lower end, and the flat energy-consuming web plate is difficult to fully exert the deformation energy-consuming effect borne by the damping device under the earthquake, so that the vertical rib plate is required to bear more deformation energy-consuming, and the energy-consuming web plate is difficult to protect the beams and columns at the key parts from being damaged.
Therefore, the plate-shaped energy dissipation web plate has weaker deformation energy dissipation effect, and the energy dissipation and shock absorption effect of the energy dissipation web plate needs to be further improved.
Disclosure of Invention
The application aims to overcome the defects in the prior art, and provides a steel structure for preventing shaking, which further improves the deformation energy consumption effect of an energy consumption web plate and further improves the energy dissipation and shock absorption effect of the energy consumption web plate.
The application is realized by the following technical scheme:
the application provides a steel structure for preventing shaking, which comprises an energy consumption assembly and two connecting assemblies connected with two ends of the energy consumption assembly, wherein the energy consumption assembly is made of low-yield-point steel and comprises two connecting webs and energy consumption webs, and the two connecting webs are respectively connected with one connecting assembly; the two end faces of the energy-consumption web plate are respectively welded with one connecting web plate, the energy-consumption web plate is in a curved surface shape along the extending direction of the connecting web plate, and the energy-consumption web plate is used for bearing deformation energy consumption caused by shaking of the two connecting web plates.
In one embodiment of the application, the energy dissipating web has a sinusoidal shape in cross-section as seen in the first direction.
In an embodiment of the application, the energy dissipation assembly further comprises an energy dissipation stiffening rib welded with the energy dissipation web, the energy dissipation web is provided with a first stiffening surface and a second stiffening surface, the energy dissipation stiffening rib comprises a first rib plate, and the first rib plate is vertically welded to the first stiffening surface and/or the second stiffening surface.
In one embodiment of the present application, the first rib has a sinusoidal shape when the first rib is viewed in the second direction.
In an embodiment of the present application, the energy dissipating stiffener further includes a plurality of second ribs, wherein two of the second ribs are welded to the first stiffener surface and/or the second stiffener surface horizontally, and the first rib is welded between the two second ribs.
In an embodiment of the present application, two of the second ribs are welded to one of the first stiffening surface or the second stiffening surface, and the first rib is welded between the two second ribs, and a plurality of the second ribs are welded to the first stiffening surface or the second stiffening surface facing away from the first rib.
In an embodiment of the present application, one of the first stiffening surfaces and two of the second stiffening surfaces form an energy-dissipating stiffening rib with an i-shaped structure, and the second stiffening surface is provided with three second stiffening surfaces arranged in parallel with each other.
In an embodiment of the application, the energy dissipation assembly further comprises a first energy dissipation flange plate and a second energy dissipation flange plate, wherein the first energy dissipation flange plate is vertically welded on one side edge of the connecting web and one side edge of the energy dissipation web, and the second energy dissipation flange plate is vertically welded on the other side edge of the connecting web and the other side edge of the energy dissipation web; and two ends of each second rib plate are welded on the inner side surfaces of the first energy dissipation flange plate and the second energy dissipation flange plate which are oppositely arranged respectively.
In an embodiment of the present application, each of the connection assemblies includes a blocking web, a blocking flange plate, and an end plate, the blocking web includes a first blocking web and a second blocking web, and the first blocking web and the second blocking web are disposed in parallel and sandwich the connection web; the blocking flange plate comprises a first blocking flange plate and a second blocking flange plate, a first groove is formed between the first blocking flange plate and the side surfaces of the second blocking flange plate, which are opposite to the first blocking web plate and the second blocking web plate, a second groove is formed between the two ends of the energy consumption web plate and the side surfaces of the first energy consumption flange plate and the second energy consumption flange plate, the first energy consumption flange plate and the second energy consumption flange plate are inserted into the first groove, and the first blocking web plate and the second blocking web plate are inserted into the second groove so as to connect the connecting assembly with the energy consumption assembly; and a reinforcing rib is arranged between the end plate and the outer side surface of the blocking flange plate.
In an embodiment of the application, an elastic pad is disposed at a connection position between the energy dissipation web and the blocking web, and an elastic pad is disposed at a connection position between the first energy dissipation flange plate and the second energy dissipation flange plate and the blocking flange plate respectively.
Compared with the prior art, the application has the beneficial effects that:
1. the steel structure capable of preventing shaking comprises an energy consumption assembly and two connecting assemblies connected with two ends of the energy consumption assembly, wherein the two connecting webs are respectively connected with one connecting assembly, two end faces of each energy consumption web are respectively welded with one connecting web, and each energy consumption web is in a curved surface shape along the extending direction of the connecting web. Under the action of an earthquake, the energy-consuming web plate can better bear more deformation energy consumption, particularly can better bear vibration brought by connecting assemblies at the upper end and the lower end, the energy-consuming web plate can deform along the direction of the connecting assemblies at the upper end and the lower end, when the energy-consuming web plate vertically deforms, the energy-consuming web plate improves the deformation strength of the energy-consuming web plate through the curved surface, the curved surface shape of the energy-consuming web plate is effectively utilized to coordinate the whole stress deformation, and the shaking of the steel structure caused by the earthquake is prevented, so that the energy-consuming web plate can better protect the beams and the columns at the key parts from being damaged.
2. The section of the energy-consumption web plate is in a sinusoidal shape when being observed along the first direction, so that the energy-consumption web plate accords with the performance of reciprocating shear deformation under a large earthquake, the energy-consumption web plate can better give full play to the functions of shearing force and deformation energy consumption born by the energy-consumption web plate under the earthquake, more deformation energy consumption can be better born under the earthquake, especially the vibration brought by connecting assemblies at the upper end and the lower end can be better born, and the shaking of the steel structure caused by the earthquake is prevented.
3. The energy consumption assembly further comprises an energy consumption stiffening rib, the energy consumption stiffening rib is welded with the energy consumption web plate, the energy consumption web plate is provided with a first stiffening surface and a second stiffening surface, the energy consumption stiffening rib comprises a first rib plate, and the first rib plate is vertically welded on the first stiffening surface or the second stiffening surface. The first rib plate can play the role of bearing shearing force and deformation energy consumption under the earthquake, and the earthquake sense brought by earthquake is shared by the energy consumption webs, so that the tearing failure of the welding line is avoided, and the beams and columns at key positions are protected from being damaged.
4. When the first rib plate is arranged to be a flat plate, the first rib plate and the two second rib plates form an energy-consumption rib plate of an I-shaped structure on the first stiffening surface, and the first rib plate on the second stiffening surface is welded on the concave part of the second stiffening surface at the same time.
5. The first rib plate is in a sine curve shape when observed along the second direction, the first rib plates on the first stiffening surface and the second stiffening surface are in the same bending angle, and the bending direction of the first rib plate is perpendicular to the bending direction of the energy dissipation web plate. Therefore, the thickness and the bending degree of the energy-consumption web plate and the first rib plate can be calculated and adjusted through the anti-seismic design.
6. The three parts of the blocking web plate, the blocking flange plate and the end plate are mutually perpendicular in the three-dimensional space, the blocking web plate comprises a first blocking web plate and a second blocking web plate, the first blocking web plate and the second blocking web plate are arranged in parallel and clamp the connecting web plate, the blocking flange plate comprises a first blocking flange plate and a second blocking flange plate, the first energy consumption flange plate and the second energy consumption flange plate are inserted into the first groove, the first blocking web plate and the second blocking web plate are inserted into the second groove, the energy consumption assembly and the connecting assembly are connected in an inward-extending lap joint mode, the inward-extending lap joint connecting mode can effectively utilize the self to coordinate integral stress deformation, and in the horizontal deformation, the second blocking flange plate is limited between the opposite sides of the first blocking web plate and the second blocking web plate respectively, and between the two ends of the energy consumption web plate and the opposite sides of the first energy consumption flange plate and the second energy consumption flange plate respectively, so that force transmission can be effectively carried out; and a reinforcing rib is arranged between the end plate and the outer side surface of the blocking flange plate, so that the strength of the blocking flange plate is improved.
7. The junction between the energy consumption web and the blocking web is provided with an elastic pad, and the junction between the first energy consumption flange plate and the second energy consumption flange plate and the blocking flange plate is provided with an elastic pad respectively. The elastic pad can reduce the collision between the energy consumption web plate and the blocking web plate and the collision between the energy consumption flange plate and the blocking flange plate, and has a damping effect when deforming.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a steel structure for preventing shaking according to an embodiment of the present application;
FIG. 2 is a perspective view of an energy dissipating assembly according to an embodiment of the present application;
FIG. 3 is a perspective view of an energy dissipating assembly according to an embodiment of the present application;
FIG. 4 is a perspective view of an energy dissipating assembly according to an embodiment of the present application;
FIG. 5 is a schematic diagram of an energy dissipating assembly (facing a first stiffener) according to an embodiment of the present disclosure;
FIG. 6 is a sectional view of the P-P portion of FIG. 5 or FIG. 10;
FIG. 7 is a general diagram of a wobble-proof steel structure (facing a first stiffener surface) according to an embodiment of the present application;
FIG. 8 is a perspective view of an energy dissipating assembly according to an embodiment of the present application;
FIG. 9 is a perspective view of an energy dissipating assembly according to an embodiment of the present application;
FIG. 10 is a schematic diagram of a power dissipating assembly (facing a first stiffener) according to an embodiment of the present disclosure;
fig. 11 is a perspective view of a connection set according to an embodiment of the present application.
Reference numerals illustrate:
10. a steel structure for preventing shaking; 100. an energy consumption assembly; 110. a connecting web; 111. a third hole; 120. energy-consuming webs; 121. a first stiffener surface; 122. a second stiffener surface; 131. a first rib; 132. a second rib; 140. a first energy dissipating flange plate; 150. the second energy consumption flange plate; 160. a second groove; 200. a connection assembly; 211. a first barrier web; 2111. a first hole; 212. a second barrier web; 2121. a second hole; 221. a first blocking flange plate; 222. a second blocking flange plate; 230. a first groove; 240. an end plate; 241. an end hole; 250. reinforcing ribs; A. a first direction; B. a second direction.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In order that those skilled in the art will better understand the technical solutions of the present application, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that when an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or components referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" or "a number" means two or more, unless specifically defined otherwise.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the application, which is defined by the claims, but rather by the claims, unless otherwise indicated, and that any structural modifications, proportional changes, or dimensional adjustments, which would otherwise be apparent to those skilled in the art, would be made without departing from the spirit and scope of the application.
Referring to fig. 1 to 11, the present application provides a steel structure for preventing shaking, which includes an energy dissipation assembly, two connection assemblies connected to two ends of the energy dissipation assembly, the energy dissipation assembly is made of low yield point steel, and the energy dissipation assembly includes:
the two connecting webs are respectively connected with one connecting component;
the two end faces of the energy-consumption web are welded with one connecting web respectively, the energy-consumption web is in a curved surface shape along the extending direction of the connecting web, and the energy-consumption web is used for bearing deformation energy consumption caused by shaking of the two connecting webs.
Referring to fig. 1, 2, 3 and 11, in one embodiment, a sway prevention steel structure 10 includes an energy dissipation assembly 100 and two connection assemblies 200 connected to two ends of the energy dissipation assembly 100, wherein the energy dissipation assembly 100 is made of low yield point steel, the energy dissipation assembly 100 includes two connection webs 110 and an energy dissipation web 120, and the two connection webs 110 are respectively connected with one connection assembly 200; the two end surfaces of the energy dissipation web plates 120 are welded with one connecting web plate 110 respectively, the energy dissipation web plates 120 are in curved surface shapes along the extending direction of the connecting web plates 110, and the energy dissipation web plates 120 are used for bearing shearing force and deformation energy dissipation caused by shaking of the two connecting web plates 110. Specifically, one end of the steel structure is fixedly connected with the ground, and the other end of the steel structure is fixedly connected with equipment such as construction steel bars. The energy consuming components 100 are low yield point steels, and the two connecting components 200 may be low yield point steels, wherein the low yield point steels adopt SMA memory alloy, and MA has two special macroscopic mechanical properties, namely shape memory effect (Shape Memory Effect, abbreviated as SME). The two connecting webs 110 are respectively connected with one connecting assembly 200, two end faces of the energy consumption web 120 are respectively welded with one connecting web 110, the energy consumption web 120 is in a curved surface shape along the extending direction of the connecting web 110, and the energy consumption web 120 in the curved surface shape can better bear shearing force and deformation energy consumption caused by shaking of the two connecting webs 110.
It should be noted that, in the prior art, since the energy dissipation web 120 is in a flat plate shape, the vertical rib plates are welded between two connected horizontal rib plates, the flat plate-shaped energy dissipation web 120 is welded or contacted with the vertical rib plates, and the flat plate-shaped energy dissipation web 120 can transmit vibration sense to the vertical rib plates more under an earthquake, so that the vertical rib plates have good energy dissipation and vibration reduction effects. However, when the earthquake is transmitted to the shock absorbing device, since one end of the shock absorbing device is fixedly connected with the ground and the other end is fixedly connected with the equipment such as the construction steel bars, more shock is required to be born by the energy-consuming web 120 of the shock absorbing device, especially the equipment such as the construction steel bars at the upper end is required to be born by the shake, but the flat-plate-shaped energy-consuming web 120 is difficult to fully exert the shearing force and deformation energy consumption effects borne by the flat-plate-shaped energy-consuming web 120 under the earthquake, which leads to the fact that the vertical rib plate is required to bear more shearing force and deformation energy consumption, and the energy-consuming web 120 is difficult to protect the beams and columns at the key parts from being damaged.
In the present application, compared with the plate-shaped energy dissipation webs 120, the two connection webs 110 are respectively connected with one connection assembly 200, the two end surfaces of the energy dissipation web 120 are respectively welded with one connection web 110, please refer to fig. 2 and 3, the energy dissipation web 120 is curved along the extending direction of the connection web 110, under the action of an earthquake, more deformation energy dissipation can be better borne, especially the vibration brought by the connection assemblies 200 at the upper end and the lower end can be better borne, the energy dissipation web 120 deforms along the direction of the connection assemblies 200 at the upper end and the lower end, when the energy dissipation web 120 deforms vertically, the deformation strength of the energy dissipation web 120 is improved through the curved surface arrangement, the curved surface shape of the energy dissipation web 120 is effectively utilized to coordinate the whole stress deformation, so that the steel structure accords with the reciprocating shear deformation performance under the large earthquake, and the vibration brought by the earthquake is prevented, so that the energy dissipation web 120 better protects the beams and columns at the key positions from being damaged.
Referring to fig. 1, 2, 3, 5 and 6, in an embodiment, referring to fig. 6, a cross section of the energy dissipating web 120 is sinusoidal when viewed along the first direction a. Specifically, the cross section of the energy dissipation web 120 is sinusoidal when viewed along the first direction a, that is, the energy dissipation web 120 is in a plurality of curved surfaces uniformly distributed along the extending direction of the connecting web 110, the energy dissipation web 120 is convexly and concavely curved along two sides in a staggered bending manner, and the cross section of the energy dissipation web 120 is like a wavy line when viewed along the first direction a, referring to fig. 6, it can be found that the energy dissipation web 120 is substantially sinusoidal. In this way, the energy dissipation web 120 can further fully exert the functions of shearing force and deformation energy dissipation borne by the energy dissipation web 120 under the earthquake, and can better bear more deformation energy dissipation under the earthquake, especially can better bear the vibration brought by the connecting assemblies 200 at the upper end and the lower end, and prevent the steel structure from shaking caused by the earthquake, so that the energy dissipation web 120 can better protect the beams and columns at the key positions from being damaged. The sine curve is a wavy line, the pure sine function formula is y=sin (x), the sine curve can be expressed as y=asin (ωx+φ) +k, the sine curve is defined as an image of the function y=asin (ωx+φ) +k on a rectangular coordinate system, wherein sin is a sine symbol, x is a numerical value on an x axis of the rectangular coordinate system, y is a y value corresponding to the function on the same rectangular coordinate system, k, ω and φ are constants (k, φ ε R and ω+.0), and a user can calculate and adjust the sine curve of the energy consumption web 120 through the earthquake resistant design so as to enable the sinusoidal curve to conform to the performance of reciprocating shear deformation under a large earthquake.
Referring to fig. 2 and 3, in an embodiment, the energy dissipating assembly 100 further includes an energy dissipating stiffener (not shown) welded to the energy dissipating web 120, the energy dissipating web 120 is provided with a first stiffener surface 121 and a second stiffener surface 122 facing away from the first stiffener surface 121, the energy dissipating stiffener includes a first rib 131, and the first rib 131 is vertically welded to the first stiffener surface 121 and/or the second stiffener surface 122. Specifically, the energy-dissipation stiffening rib is made of low-yield-strength steel, the first rib plate 131 is vertically welded on the first stiffening surface 121 and/or the second stiffening surface 122, the effects of shearing force and deformation energy dissipation can be fully exerted under an earthquake, the tearing failure of welding seams is avoided, the beams and columns at key parts are protected from being damaged, and the shock sensation brought by the earthquake is shared by the energy-dissipation web plates 120.
In another embodiment, the energy-dissipating web 120 is provided with a first stiffening surface 121 and a second stiffening surface 122 facing away from the first stiffening surface 121, the first stiffening surface 121 is curved and convex outwards, while the second stiffening surface 122 is curved and concave inwards, and the cross section of the energy-dissipating web is in a sinusoidal shape, i.e. in the shape of a wavy line, when viewed in the first direction a, and meets the performance of reciprocating shear deformation of the energy-dissipating web 120 under a large shock.
Referring to fig. 2 and 3, in an embodiment, two second rib 132 plates are welded to one of the first stiffening surface 121 or the second stiffening surface 122 horizontally, and the first rib 131 is welded between the two second rib 132 plates, and a plurality of second rib 132 plates are welded to the first stiffening surface 121 or the second stiffening surface 122 facing away from the first rib 131 horizontally. Specifically, two second rib 132 plates are welded horizontally to one of the first stiffening surface 121 or the second stiffening surface 122, and the first rib 131 is welded between the two second rib 132 plates, and the two second rib 132 plates are adjacent to one connecting component 200, the first stiffening surface 121 or the second stiffening surface 122 of the energy-dissipating web 120 is an energy-dissipating stiffening rib with an i-shaped structure formed by the two second rib 132 plates and the first rib 131, which not only can play the same stiffening effect, but also can realize a cross stiffening rib without disconnecting the first rib 131 or the second rib 132 plate in the middle. Can play the role of bearing shearing force and deformation energy consumption under earthquake, avoid the tearing failure of welding seams and protect the beams and columns at key parts from being damaged.
Referring to fig. 2 and 3, in an embodiment, a first rib plate 131 and two second rib plates 132 of the first stiffening surface 121 form an energy-dissipating stiffening rib of an i-shaped structure, and three second rib plates 132 disposed parallel to each other are disposed on the second stiffening surface 122. Specifically, the first stiffening surface 121 of the energy dissipation web 120 is an energy dissipation stiffening rib plate with an i-shaped structure formed by two second rib 132 plates and one first rib 131, and the second stiffening surface 122 is provided with three second rib 132 plates arranged in parallel. The arrangement of the second rib 132 plate and the first rib 131 on the first stiffening surface 121 and the second stiffening surface 122 can achieve the same stiffening effect, but the second rib 132 plate or the first rib 131 in the middle is not required to be disconnected, and the cross stiffening rib can be realized. The energy-consumption stiffening rib can also be made of low-yield-strength steel, can fully play the role of bearing shearing force and deformation energy consumption under an earthquake, avoid the tearing failure of welding seams and protect the beams and columns at key parts from being damaged.
Referring to fig. 2, 3, 4 and 5, in one embodiment, the first rib 131 is welded to the first stiffener 121 and the second stiffener 122 vertically. Specifically, when the first rib plate 131 is configured as a flat plate, please refer to fig. 2, the first rib plate 131 and two second rib 132 plates form an energy dissipation stiffening rib with an i-shaped structure on the first stiffening surface 121, please refer to fig. 4, and the first rib plate 131 on the second stiffening surface 122 is welded to the concave portion of the second stiffening surface 122 at the same time, the first rib plate 131 on the second stiffening surface 122 is not welded to and contacted with the second rib 132 plate on the same side, and the first rib plates 131 on the first stiffening surface 121 and the second stiffening surface 122 are arranged flush in the same direction. In addition, referring to fig. 1, 7 and 10, when the first rib 131 is observed along the second direction B and the first rib 131 is sinusoidal, referring to fig. 8 and 9, the first ribs 131 on the first stiffening surface 121 and the second stiffening surface 122 are at the same bending angle, and the first rib 131 is perpendicular to the energy dissipation web 120. The sine curve is a wavy line, the pure sine function formula is y=sin (x), the sine curve can be expressed as y=asin (ωx+φ) +k, the sine curve is defined as an image of the function y=asin (ωx+φ) +k on a rectangular coordinate system, wherein sin is a sine symbol, x is a numerical value on an x axis of the rectangular coordinate system, y is a y value corresponding to the function on the same rectangular coordinate system, k, ω and φ are constants (k, φ ε R and ω+.0), and a user can calculate and adjust the thicknesses of the energy consumption web 120 and the first rib plate 131 and the sine curve through the earthquake resistant design so as to enable the thickness and the sine curve to meet the performance of reciprocating shear deformation under a large earthquake.
Referring to fig. 7 and 11, in an embodiment, the energy dissipating assembly 100 further includes a first energy dissipating flange 140 and a second energy dissipating flange 150, the first energy dissipating flange 140 is vertically welded to one side of the connecting web 110 and one side of the energy dissipating web 120, and the second energy dissipating flange 150 is vertically welded to the other side of the connecting web 110 and the other side of the energy dissipating web 120; two ends of each second rib 132 are welded to inner sides of the first and second energy consumption flanges 140 and 150, respectively. Specifically, two ends of each second rib 132 plate are welded on the inner side surfaces of the first energy dissipation flange plate 140 and the second energy dissipation flange plate 150, which are oppositely arranged, the first rib 131 is welded between the two connected second rib 132 plates, the two second rib 132 plates are respectively adjacent to and welded with one connecting web 110, the two connecting webs 110 are respectively welded with the upper end surface and the lower end surface of the energy dissipation web 120, and the first energy dissipation flange plate 140 and the second energy dissipation flange plate 150 are respectively welded on two side edges of the connecting web 110 and the two side edges of the energy dissipation web 120 vertically to form an H structure.
Referring to fig. 7 and 11, in an embodiment, each of the connection assemblies 200 includes a blocking web (not shown), a blocking flange plate (not shown), and an end plate 240, wherein the blocking web includes a first blocking web 211 and a second blocking web 212, and the first blocking web 211 and the second blocking web 212 are disposed in parallel and sandwich the connection web 110; the blocking flange plates comprise a first blocking flange plate 221 and a second blocking flange plate 222, a first groove 230 is formed between the opposite sides of the first blocking flange plate 221 and the second blocking flange plate 222 and the first blocking web 211 and the second blocking web 212 respectively, a second groove 160 is formed between the opposite sides of the two ends of the energy consumption web 120 and the first energy consumption flange plate 140 and the second energy consumption flange plate 150 respectively, the first energy consumption flange plate 140 and the second energy consumption flange plate 150 are inserted into the first groove 230, and the first blocking web 211 and the second blocking web 212 are inserted into the second groove 160 so as to connect the connecting assembly 200 and the energy consumption assembly 100; a stiffening rib 250 is provided between the end plate 240 and the outside face of the blocking flange. Specifically, three parts of the blocking web plate, the blocking flange plate and the end plate 240 are mutually perpendicular in the three-dimensional space, the first groove 230 and the second groove 160 are arranged, the first energy consumption flange plate 140 and the second energy consumption flange plate 150 are inserted into the first groove 230, the first blocking web plate 211 and the second blocking web plate 212 are inserted into the second groove 160, so that the energy consumption assembly 100 and the connecting assembly 200 are connected in an inward-extending lap joint mode, the inward-extending lap joint mode can effectively utilize the self to coordinate integral stress deformation, and during horizontal deformation, the second blocking flange plate 222 is limited between the opposite side surfaces of the first blocking web plate 211 and the second blocking web plate 212 respectively, and the two ends of the energy consumption web plate 120 are limited between the opposite side surfaces of the first energy consumption flange plate 140 and the second energy consumption flange plate 150 respectively, so that force transmission can be effectively carried out; a reinforcing rib 250 is provided between the end plate 240 and the outer side surface of the blocking flange plate to improve the strength thereof.
Referring to fig. 1, 2 and 11, in an embodiment, the shaking prevention steel structure 10 further includes a first fastener (not shown) and a second fastener (not shown), the first blocking web 211 is provided with a first hole 2111, the second blocking web 212 is provided with a second hole 2121, the connecting web 110 is provided with a third hole 111, and the first fastener sequentially passes through the first hole 2111, the second hole 2121 and the third hole 111 to fixedly connect the first blocking web 211 and the second blocking web 212 with the connecting web 110; the end plate 240 is provided with an end hole 241, and a second fastener passes through the end hole 241 and the outer structure. Specifically, the first fastening member is a bolt, and the connection assembly 200 and the energy consumption assembly 100 are connected by the bolt, that is, the first fastening member sequentially passes through the first hole 2111, the second hole 2121 and the third hole 111 to fixedly connect the first blocking web 211 and the second blocking web 212 with the connecting web 110, so that the strength in an earthquake can be reduced, the arrangement of the external connecting end plate 240 can be avoided, and materials can be saved; the second fastener is the crab-bolt, and the second fastener passes end hole 241 and outer structure, and end plate 240 has two, installs respectively at steel construction's both ends, and one end and ground fixed connection, equipment fixed connection such as other end and construction steel.
Referring to fig. 1, 2 and 11, in an embodiment, a set distance is provided between the bottom of the first groove 230 and the bottom of the second groove 160, so that after the earthquake, the concrete frame is deformed, and after the bolts are removed, the energy dissipation assembly 100 and the connection assembly 200 can continue to extend inwards, so that the height of the energy dissipation and shock absorption device is reduced, and the energy dissipation and shock absorption device is convenient to detach and replace.
In an embodiment, the connection between the energy dissipating web 120 and the blocking web is provided with an elastic pad, and the connection between the first energy dissipating flange plate 140 and the second energy dissipating flange plate 150 and the blocking flange plate is provided with an elastic pad. Specifically, the elastic pad can reduce the collision between the energy consumption web 120 and the blocking web, and reduce the collision between the energy consumption flange plate and the blocking flange plate, and has a damping effect during deformation.
Referring to fig. 1 to 11, in the embodiment of the present application, the first and second energy consumption flanges 140 and 150 are inserted into the first groove 230, the first and second blocking webs 211 and 212 are inserted into the second groove 160, so that the energy consumption assembly 100 is lapped on the upper and lower connecting assemblies 200, the lap joints between the connecting assemblies 200 and the energy consumption assembly 100 are connected by bolts, and the bolts sequentially pass through the first holes 2111, the second holes 2121 and the third holes 111 to fixedly connect the first and second blocking webs 211 and 212 with the connecting web 110, the first and second energy consumption flanges 140 and 221 are fixedly connected by bolts, and the second and energy consumption flanges 150 and 222 are fixedly connected by bolts; the end plate 240 on the connecting assembly 200 is arranged on an external structure through an anchor bolt, and the end plate 240 on the connecting assembly 200 passes through the end hole 241 on the connecting assembly 200 and the external structure through the anchor bolt, for example, the end plate 240 on the connecting assembly 200 is respectively arranged on concrete reinforcing steel bars with opposite outer sides, so that the steel structure can be integrally moved to the bottom of the concrete reinforcing steel bars for installation and fixation; when the steel structure needs to be removed, the anchor bolts and the bolts are removed, and during the removal process, the energy consuming components 100 sink and the opposite end surfaces of the external structure to which the end plates 240 of the two connecting components 200 are fixed are removed.
Therefore, the shaking-preventing steel structure 10 comprises the energy consumption assembly 100, two connecting assemblies 200 for connecting two ends of the energy consumption assembly 100, two connecting webs 110 respectively connected with one connecting assembly 200, two end faces of the energy consumption web 120 respectively welded with one connecting web 110, and the energy consumption web 120 is in a curved shape along the extending direction of the connecting web 110. Under the action of an earthquake, the energy-consuming web 120 can better bear more deformation energy consumption, especially can better bear the vibration caused by the connecting assemblies 200 at the upper end and the lower end, the energy-consuming web 120 deforms along the direction of the connecting assemblies 200 at the upper end and the lower end, when the energy-consuming web 120 vertically deforms, the energy-consuming web 120 improves the deformation strength of the energy-consuming web through the curved surface arrangement, the curved surface shape of the energy-consuming web 120 is effectively utilized to coordinate the whole stress deformation, and the shaking caused by the earthquake of the steel structure is prevented, so that the energy-consuming web 120 better protects the beams and columns at the key parts from being damaged.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a prevent steel construction that rocks, includes power consumption subassembly, two coupling assembling that are connected with power consumption subassembly both ends, power consumption subassembly is low yield point steel, its characterized in that, power consumption subassembly includes:
two connecting webs respectively connected with one connecting component;
the two end faces of the energy-consumption web are welded with one connecting web respectively, the energy-consumption web is in a curved surface shape along the extending direction of the connecting web, and the energy-consumption web is used for bearing deformation energy consumption caused by shaking of the two connecting webs.
2. The sway prevention steel structure of claim 1, characterized in that the energy dissipating web has a sinusoidal shape in cross-section as viewed in a first direction.
3. The sway prevention steel structure of claim 1, wherein the energy consuming assembly further comprises:
the energy-dissipation stiffening rib is welded with the energy-dissipation web plate, the energy-dissipation web plate is provided with a first stiffening surface and a second stiffening surface, the energy-dissipation stiffening rib comprises a first rib plate, and the first rib plate is vertically welded to the first stiffening surface and/or the second stiffening surface.
4. A sway prevention steel structure according to claim 3, characterized in that said first rib has a sinusoidal shape when said first rib is viewed in the second direction.
5. A sway-preventing steel structure of claim 3, wherein said energy dissipating stiffener further comprises:
the first rib plate is welded between the two second rib plates.
6. The sway prevention steel structure of claim 5, wherein two of said second ribs are welded horizontally to one of said first stiffening surfaces or said second stiffening surfaces and said first rib is welded between said two second ribs, a plurality of said second ribs being welded horizontally to said first stiffening surface or said second stiffening surface facing away from said first rib.
7. The sway prevention steel structure of claim 5, wherein one of said first stiffening surfaces and two of said second stiffening surfaces form an energy dissipating stiffening rib of an i-shaped structure, said second stiffening surface being provided with three of said second stiffening surfaces disposed parallel to each other.
8. The sway prevention steel structure of claim 5, wherein said energy consuming assembly further comprises:
the first energy consumption flange plate is vertically welded to the two connecting webs and one side edge of the energy consumption web;
the second energy consumption flange plate is vertically welded on the two connecting webs and the other side edge of the energy consumption web;
and two ends of each second rib plate are welded on the inner side surfaces of the first energy dissipation flange plate and the second energy dissipation flange plate which are oppositely arranged respectively.
9. The sway prevention steel structure of claim 7, wherein each of said connection assemblies comprises:
the blocking web comprises a first blocking web and a second blocking web, and the first blocking web and the second blocking web are arranged in parallel and clamp the connecting web;
the blocking flange plate comprises a first blocking flange plate and a second blocking flange plate, a first groove is formed between the first blocking flange plate and the side surfaces of the second blocking flange plate, which are opposite to the first blocking web plate and the second blocking web plate respectively, a second groove is formed between the two ends of the energy consumption web plate and the side surfaces of the first energy consumption flange plate and the second energy consumption flange plate respectively, the first energy consumption flange plate and the second energy consumption flange plate are inserted into the first groove, and the first blocking web plate and the second blocking web plate are inserted into the second groove so as to connect the connecting assembly with the energy consumption assembly;
and a reinforcing rib is arranged between the end plate and the outer side surface of the blocking flange plate.
10. The sway prevention steel structure of claim 9 wherein a connection between the energy dissipating web and the blocking web is provided with an elastic pad, and a connection between the first energy dissipating flange plate and the second energy dissipating flange plate and the blocking flange plate is provided with an elastic pad, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310553274.2A CN116607630A (en) | 2023-05-16 | 2023-05-16 | Prevent steel construction that rocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310553274.2A CN116607630A (en) | 2023-05-16 | 2023-05-16 | Prevent steel construction that rocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116607630A true CN116607630A (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310553274.2A Pending CN116607630A (en) | 2023-05-16 | 2023-05-16 | Prevent steel construction that rocks |
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| Country | Link |
|---|---|
| CN (1) | CN116607630A (en) |
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2023
- 2023-05-16 CN CN202310553274.2A patent/CN116607630A/en active Pending
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